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Differences What are the advantages of each

Front view of Intel Atom Z3735F

Reasons to consider the
Intel Atom Z3735F

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
Lower typical power consumption 1.79W vs 6.58W 3.7x lower typical power consumption
Newer Apr, 2014 vs Dec, 2012 Release date over 1 years later
Better overclocked clock speed (Water) 1.83 GHz vs 1.6 GHz Around 15% better overclocked clock speed (Water)
Lower annual home energy cost 0.53 $/year vs 1.95 $/year 3.7x lower annual home energy cost
Lower annual commercial energy cost 1.93 $/year vs 7.1 $/year 3.7x lower annual commercial energy cost
Front view of Intel Atom S1220

Reasons to consider the
Intel Atom S1220

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Higher clock speed 1.6 GHz vs 1.33 GHz More than 20% higher clock speed

Features Key features of the Atom Z3735F  vs S1220 

clock speed

Atom Z3735F
1.33 GHz
Atom S1220
1.6 GHz

L2 cache

overclocked clock speed (air)

Atom Z3735F
1.63 GHz
Atom S1220
1.6 GHz

overclocked clock speed (water)

Atom Z3735F
1.83 GHz
Atom S1220
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Atom Z3735F  vs
S1220 
Clock speed 1.33 GHz 1.6 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 2.2W 8.1W
Annual home energy cost 0.53 $/year 1.95 $/year
Annual commercial energy cost 1.93 $/year 7.1 $/year
Typical power consumption 1.79W 6.58W

bus

Architecture FSB FSB
Number of links 1 1

details

Atom Z3735F  vs
S1220 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.63 GHz 1.6 GHz
Overclocked clock speed (Water) 1.83 GHz 1.6 GHz
Overclocked clock speed (Air) 1.63 GHz 1.6 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
GPU clock speed 311 MHz N/A
Turbo clock speed 646 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3L-1333
DDR3RS-1333
DDR3
Channels Single Channel Single Channel
Supports ECC No Yes
Maximum bandwidth 6,400 MB/s 10,666.66 MB/s
Maximum memory size 2,048 MB 8,192 MB
Intel Atom Z3735F
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Intel Atom S1220
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